.icon {
  width: 1em;
  height: 1em;
  vertical-align: -0.15em;
  fill: currentColor;
  overflow: hidden;
  border: none;
}
.btn {
    width: 100px;
    height: 50px;
    background-color: rgb(39, 155, 232);
    text-align: center;
    line-height: 40px;
    color: white;
    border-radius: 10px;
    border: none;
    font-size: 16px;
    cursor: pointer;
  }
.minBtn {
    width: 60px;
    height: 50px;
    text-align: center;
    line-height: 40px;
    font-size: 16px;
    color: white;
    background-color: rgb(39, 155, 232);
    display: block;
    border-radius: 10px;
    border: none;
    cursor: pointer;
  }
  .minBtn:hover,
  .btn:hover {
    background-color: rgb(39, 155, 232, 0.5);
    transition: all 0.3s ease; /* 添加过渡动画 */
  }
  body, html, #app{
    /* width: 2000px; */
    z-index: 2;
    height: 2000px;
    /* pointer-events: none; */
    position: relative;
    background-image: url('../../public/city.png');
    /* background-color: rgb(255, 0, 0); */
    background-size: cover;      /* 等同于 object-fit: cover */
    background-position: center; /* 居中显示图片 */
    background-repeat: no-repeat; /* 禁止图片重复 */
  }
